Background Articles

An expert warns that early snowmelt and increasing ski tourism in vulnerable high‑altitude calving areas on Hardangervidda and Nordfjella are disturbing Norway’s wild reindeer during their critical breeding season.

Thunderstorms are rare in the cold, dry Arctic, but a surprising event in August 2019 has scientists rethinking how these storms form in polar regions. A team of researchers from the University of Science and Technology of China has uncovered new insights into this phenomenon.

Thunderstorms are rare in the cold, dry Arctic, but a surprising event in August 2019 has scientists rethinking how these storms form in polar regions. A team of researchers from the University of Science and Technology of China has uncovered new insights into this phenomenon.

British Columbia’s March snowpack averaged just 79 percent of normal, up from 63 percent a year ago but still low enough to raise the province’s drought risk for spring and summer.

April was 1–2 °C warmer than the 1991–2020 average in Finland, with a high of 22.9 °C in Rauma and a low of –23.8 °C in Kilpisjärvi. Sunshine was above average, while southern areas and Lapland saw increased rainfall.